LV BOOM ASSEMBLY REPLACEMENT/REPAIR (CONT)
Repair of the LV boom is limited to replacement of damaged wire rope
assemblies, cushion clamps, quick-release pins, and nozzles.
Both LV boom assemblies are removed/disassembled the same way.
following procedure is for the right-side LV boom assembly.
Booms and struts are number and color-coded; right is green and left is red. The
"connect points" referred to in this procedure are the places on the boom
assembly where struts and booms with like colors and numbers are to be joined.
Remove clamps (1, 2, and 3) from boom. Pull back Kamlock ears and remove boom extension (4) at
Connect Point 11.
Apply upward pressure to outboard boom weldment (5) and remove quick-release pin (6) at Connect Point
Pull back Kamlock ears and remove outboard boom weld ent (5).
Remove two quick-release pins (7 and 8) at Connect Points 8 and 9. Remove two struts (9 and 10).
Remove quick-release pins (11 and 12) at Connect Points 5 and 6. Remove cross strut (13).
Remove quick-release pin (14) at Connect Point 4. Remove two struts (15 and 16).
Remove quick-release pin (17) at Connect Point 3.
Pull Kamlock ears back and remove outboard boom weldment (18) from center boom weldment (19) of
pump and crosstube assembly.
Remove two quick-release pins (20 and 21) at Connect Points 1 and 2. Remove two struts (22 and 23).
If damaged, unscrew and remove spray nozzles (24).